Making few columns hidden in a panel collection

Hi ADF Experts,
Jdev version 11.1.1.7.0
I have a panelCollection, underwhich I have a table. By default I have made 3 columns visible="false". But in UI those columns sometimes appear.
it should only appear when user selects view by-that column name.
Please help me out on this.
Thanks,
Roy

Alejandro Tovar Lanz using the rendered property needs a full page refresh to make the columns visible again.
@roy the question is why you see the columns only at some times. You should try to find out under which circumstances this happens. This is not the behavior I see. How do you enable/disable the columns?
Timo

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Making few columns of excel editable and some readable

Hi,
i have a requirment were if we dowload from portal to excel using download to excel functionality, few columns should be editable and few readable. kindly help me to ressolve this issue.

Hi Noel,
There is a table in portal whose values i am exporting to excel using download to excel button. i want 3 columns of this excel sheet to be readable and one column editable. how to do that?
Edited by: AnujaSinha on Aug 26, 2011 7:19 AM
Edited by: Anja Engelhardt on Aug 29, 2011 9:08 AM
Be so kind and stay polite. Our community users try to help you. By the way: the question from Noel wasn't that bad. Why do you write the same stuff a second time instead of trying to explain in a better way?
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==========================
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=====================
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Thanks!

Hi, Arun
It works.
As in my use case, can draw an af:toolbar component into statusbar of Panel Collection facets in Structure view.
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cannot see the Columns Hidden|Columns Frozen component in the Structure view,
and if drop more than one af:toolbar into statusbar, the sencond one will fall/wrap into second row, even though there is enough space on the first row (to occupy a second row in statusbar will be a waste of space), and cannot see how to adjust.
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Hi,
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http://docs.oracle.com/cd/E23943_01/apirefs.1111/e12419/tagdoc/af_column.html
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Exemple
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bahan wrote:
hello, I need your help, here is my problem is summarized in my example below
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Making few columns hidden in a panel collection

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